Strengthened CRT aperture mask frame

Details Strengthened CRT aperture mask frame Strengthened CRT aperture mask frame

1981-03-06

1982-12-07

Demeo, Palmer C.

Electric lamp and discharge devices

Cathode ray tube

Shadow mask, support or shield

H01J 2907

Patent

active

043629636

ABSTRACT:
The invention provides improved strengthening means for the inherently weak corner regions of the framing member of a rectangular color CRT aperture mask-frame assembly. The improved means are in the form of crescent-shaped indentations discretely positioned to add strength to the corner material by substantially following the natural flow of the material thereat. The termini of the crescents are rounded and tapered to minimize stress concentrations in the regions.

REFERENCES:
patent: 3737703 (1973-06-01), Tsuneta et al.
patent: 4099086 (1978-07-01), Roder et al.

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